Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

Delete rows with particular number of columns

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Delete rows with particular number of columns
# 1  
Old 11-01-2011
Delete rows with particular number of columns
Hello Guys

I have a flat file with few thousands of rows.
Now each rows have different number of columns

I want to delete the rows which has not equal to 749 columns

Can you guys please let me know how to do the same

Your help is much appreciated.
# 2  
Old 11-01-2011
Please provide a sample of the input file.
# 3  
Old 11-01-2011
Sorry ,please ignore the question its solved
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Adding columns from 2 files with variable number of columns

I have two files, file1 and file2 who have identical number of rows and columns. However, the script is supposed to be used for for different files and I cannot know the format in advance. Also, the number of columns changes within the file, some rows have more and some less columns (they are... (13 Replies)
Discussion started by: maya3
13 Replies

2. Shell Programming and Scripting

Rows to columns

Hi, I have a text file with records as below Service Contract: Account Type: Client Number: Group Number: Account Currency: I want to print 2nd,3rd and 5th as a separate column, like -> Account Type: ,Client Number: ,Account Currency: How can I do that? (1 Reply)
Discussion started by: dsid
1 Replies

3. Shell Programming and Scripting

Request: How to Parse dynamic SQL query to pad extra columns to match the fixed number of columns

Hello All, I have a requirement in which i will be given a sql query as input in a file with dynamic number of columns. For example some times i will get 5 columns, some times 8 columns etc up to 20 columns. So my requirement is to generate a output query which will have 20 columns all the... (7 Replies)
Discussion started by: vikas_trl
7 Replies

4. Shell Programming and Scripting

Compare 2 csv files by columns, then extract certain columns of matcing rows

Hi all, I'm pretty much a newbie to UNIX. I would appreciate any help with UNIX coding on comparing two large csv files (greater than 10 GB in size), and output a file with matching columns. I want to compare file1 and file2 by 'id' and 'chain' columns, then extract exact matching rows'... (5 Replies)
Discussion started by: bkane3
5 Replies

5. Shell Programming and Scripting

Evaluate 2 columns, add sum IF two columns match on two rows

Hi all, I know this sounds suspiciously like a homework course; but, it is not. My goal is to take a file, and match my "ID" column to the "Date" column, if those conditions are true, add the total number of minutes worked and place it in this file, while not printing the original rows that I... (6 Replies)
Discussion started by: mtucker6784
6 Replies

6. Shell Programming and Scripting

Deleting all the fields(columns) from a .csv file if all rows in that columns are blanks

Hi Friends, I have come across some files where some of the columns don not have data. Key, Data1,Data2,Data3,Data4,Data5 A,5,6,,10,, A,3,4,,3,, B,1,,4,5,, B,2,,3,4,, If we see the above data on Data5 column do not have any row got filled. So remove only that column(Here Data5) and... (4 Replies)
Discussion started by: ks_reddy
4 Replies

7. UNIX for Dummies Questions & Answers

Delete large number of columns rom file

Hi, I have a data file that contains 61 columns. I want to delete all the columns except columns, 3,6 and 8. The columns are tab de-limited. How would I achieve this on the terminal? Thanks (2 Replies)
Discussion started by: lost.identity
2 Replies

8. Shell Programming and Scripting

how to add the number of row and count number of rows

Hi experts a have a very large file and I need to add two columns: the first one numbering the incidence of records and the another with the total count The input file: 21 2341 A 21 2341 A 21 2341 A 21 2341 C 21 2341 C 21 2341 C 21 2341 C 21 4567 A 21 4567 A 21 4567 C ... (6 Replies)
Discussion started by: juelillo
6 Replies

9. Shell Programming and Scripting

Rows into columns?

I have a file thats space delimited that looks something like this: Joe Smith jsmith 43234 bill1;bill2;read;read2;schedule Andy Summers asummers 11232 bill1;read Beth McConnel bmconnel 43443 read;read2;schedule;bill Susan Fowler sfowler 09332 bill1;read;schedule I need to... (8 Replies)
Discussion started by: regexnub
8 Replies

10. Shell Programming and Scripting

# of rows and columns

Hi, Does anyone know the command to know the # of rows and columns for a file? thanks (3 Replies)
Discussion started by: kylle345
3 Replies
Login or Register to Ask a Question